So, I opened my PC to work on a project (not SP or SR2 related) and got a notice form steam: You have 3 new items in your inventory. I open it up to look and voila! the dogfight, race, and scenic trading cards.
What are these for and what do I do with them?
I’ve never used trading cards before. Are they exchangeable for in game content?
they're just normal trading cards that most steam games have